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Magnetic Gripper

Magnetic Gripper

Magnetic Grippers are ideal for use where vacuum cups and grippers are typically used for lifting and moving steel sheets, blanks, stamped parts and complete assemblies.

Applications and Benefits:

  • Automated press to press transfer systems.
  • Robotic "Pick and Place".
  • Manual and automated machine loading/unloading.
  • Outlasts vacuum cups in most applications.
  • Grasps odd shaped or perforated parts.
  • Increases production and reduces shop air costs.
  • Designed for long, maintenance-free operation.
  • Operates effectively in any orientation.
  • Will not drop parts if system air-loss occurs.
  • De-stacks without double-blanking when the appropriate magnet is selected for the application.
  • Reduces noise.
  • Maximum operating temperature 140°F (60°C).

Low Profile Magnetic Grippers:
The Magnetic Gripper is designed to directly replace vacuum cups with minor tooling and valving adjustments. Powerful Rare Earth magnets positively hold the parts during transfer, greatly reducing the chance of slipping and shifting of your part due to oily coatings. An optional “low-skid” boot is also available to increase grip on parts during transfer. A short burst of shop air pressure is applied in order to release parts. To pick-up or grip parts, the air pressure must be exhausted to the atmosphere.

  • Powerful Rare Earth magnet positively holds parts - no dropping or shifting in the event of air loss.
  • Can be used with standard SAS parts and framework.
  • Lightweight, low-profile design for minimal die clearance.
  • Instantaneous pick-up and release.
  • Uses up to 95% less air than vacuum cups.

NOTE:
Supply air pressure must not exceed 60 PSI at the Magnetic Gripper inlet. Operating at pressures above 60 PSI will lead to premature failure of the unit. Air must be clean, dry and non-lubricated. Air pressure should never be applied to the Magnetic Gripper during a transfer cycle. This will cause the loss of a part. Apply air when in position to release the part. In some applications, air may need to be applied to retract the magnet before contacting the part. If the magnet “reach out” lifts the part from the guides before making contact, causing loss of part position, apply air to the Magnetic Gripper prior to lifting the part.

MAXIMUM LIFTING CAPACITY (Kg / lb)

GRM 38

GRM 76

GRM 127

gage (in) / mm

Plain

Boot/Pad

Plain

Boot/Pad

Plain

Boot/Pad

26 ga (.018) / 0.5

4.5 / 10

3.2 / 7

9.5 / 21

8.6 / 19

17.2 / 38

15 / 33

22 ga (.030) / 0.7

6.4 / 14

4.1 / 9

15 / 33

13.6 / 30

27.7 / 61

24.5 / 54

18 ga (.0478) / 1.2

7.3 / 16

4.1 / 9

22.7 / 50

18.6 / 41

42.2 / 93

37.2 / 82

16 ga (.060) / 1.5

7.3 / 16

4.5 / 10

26.8 / 59

20 / 44

52.2 / 115

45.4 / 100

14 ga (.075) / 1.9

7.7 / 17

4.5 / 10

27.2 / 60

20 / 44

60.3 / 133

51.3 / 113

12 ga (.100) / 2.5

7.7 / 17

4.5 / 10

27.2 / 60

20 / 44

65.3 / 144

55.3 / 122

0.1875” / 5.0

7.7 / 17

4.5 / 10

29 / 64

20.9 / 46

69.4 / 153

55.3 / 122

2” plate / 50.8

7.7 / 17

4.5 / 10

31.3 / 69

20.9 / 46

73.5 / 162

56.2 / 124

NOTE: Pull force listed is NOT de-rated. Proper system design must include no less than 3/1 safety factor. (typical systems 3/1 to 6/1) Purple shaded areas should not be used in a de-stacking application.




Valving Specifications, Air Consumption Requirements & Installation Information

Manifold to
Magnet Line size

Pressure Required at Inlet to system

Air Flow to Release

No. Of
Magnets for
GRM 38 & 76

Valve Size • Minimum Cv-5.0

No. of Magnets
for GRM 127

Pressure (Bar / psi)

Flow (l/m / SCFM)

Tubing
Length

Tubing
OD

GRM 38

GRM 76

GRM 127

GRM 38

GRM 76

GRM 127

2.5 meters

10mm

2

2.1 / 30

2.4 / 35

1

50

2.1 / 30

76.46 / 2.70

73.62 / 2.60

99.11 / 3.50

4

2.4 / 35

2.8 / 40

2

60

2.4 / 35

84.95 / 3.00

83.53 / 2.95

110.44 / 3.90

6

2.8 / 40

3.1 / 45

3

70

2.8 / 40

92.03 / 3.25

92.03 / 3.25

120.35 / 4.25

8

2.8 / 40

3.1 / 45

4

NR

3.1 / 45

99.11 / 3.50

99.11 / 3.50

127.43 / 4.50

12mm

2

2.1 / 30

2.8 / 40

1

3.4 / 50

106.19 / 3.75

106.19 / 3.75

134.51 / 4.75

4

2.4 / 35

3.1 / 45

2

50

3.8 / 55

109.02 / 3.85

113.27 / 4.00

141.58 / 5.00

6

2.8 / 40

3.4 / 50

3

60

4.1 / 60

113.27 / 4.00

120.35 / 4.25

148.66 / 5.25

8

2.8 / 40

3.4 / 50

4

NR

NOTE: Tested using 3/16" material. / NR = Not Recommended


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